/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/ManagedArrayCollection.h
Virtual helper function called by CopyMatchingAttributesFrom; adds attributes 'default, but optional' attributes that are present in InCollection This is used byFGeometryCollectionto make sure all UV layers are copied over byCopyMatchingAttributesFrom()
virtual void MatchOptionalDefaultAttributes ( const [FManagedArrayCollection](API\Runtime\Chaos\GeometryCollection\FManagedArrayCollection) & InCollection )